Cons-n-Stuff/Taiko-Drum-Controller-Arduino
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Initial release

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Bug fixes;
Added stable frequency control;
This commit is contained in:
ShikyC 2016-03-28 19:48:38 +08:00
parent ceaffa7e1f
commit 2981097acc
1 changed files with 29 additions and 55 deletions
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84
sanro/sanro.ino
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@ -9,16 +9,15 @@
***************************************************************/
#define MODE_JIRO 1
#define MODE_DEBUG 1
#define MODE_DEBUG_SHOW_TIME 0
#define MODE_DEBUG 0
#define CHANNELS 4
#define SAMPLE_CACHE_LENGTH 15
#define SAMPLE_CACHE_LENGTH 12
#define POWER_CACHE_LENGTH 3
#define LIGHT_THRES 500
#define HEAVY_THRES 1000
#define LIGHT_THRES 5000
#define HEAVY_THRES 20000
#include <limits.h>
#include <Keyboard.h>
@ -28,6 +27,8 @@
#define HEAVY_THRES LONG_MAX
#endif
unsigned long int lastTime;
int channelSample [CHANNELS];
int lastChannelSample [CHANNELS];
Cache <int, SAMPLE_CACHE_LENGTH> sampleCache [CHANNELS];
@ -50,28 +51,14 @@ void setup() {
lastChannelSample [i] = 0;
triggered [i] = false;
}
lastTime = 0;
}
void loop() {
#if MODE_DEBUG
long int sampleLastTime = 0;
long int calcLastTime = 0;
#endif
for (short int i = 0; i < CHANNELS; i++) {
#if MODE_DEBUG
long int lastTime = micros();
#endif
channelSample[i] = analogRead (pins[i]);
#if MODE_DEBUG
sampleLastTime += micros () - lastTime;
lastTime = micros();
#endif
channelSample[i] = analogRead (pins [i]);
sampleCache [i].put (channelSample [i] - lastChannelSample [i]);
long int tempInt;
@ -79,44 +66,31 @@ void loop() {
power [i] -= tempInt * tempInt;
tempInt = sampleCache [i].get ();
power [i] += tempInt * tempInt;
if (power [i] < LIGHT_THRES) {
power [i] = 0;
}
powerCache [i].put (power [i]);
lastChannelSample [i] = channelSample [i];
if (powerCache [i].get (1) == 0) {
triggered [i] = false;
}
bool isDescending = true;
for (short int j = 0; j < POWER_CACHE_LENGTH - 1; j++){
if (!triggered [i] && (powerCache [i].get (j - 1) > powerCache [i].get (j))) {
isDescending = false;
break;
if (!triggered [i]) {
for (short int j = 0; j < POWER_CACHE_LENGTH - 1; j++) {
if (powerCache [i].get (j - 1) >= powerCache [i].get (j)) {
break;
} else if (powerCache [i].get (1) >= HEAVY_THRES) {
triggered [i] = true;
Keyboard.print (heavyKeys [i]);
} else if (powerCache [i].get (1) >= LIGHT_THRES) {
triggered [i] = true;
Keyboard.print (lightKeys [i]);
}
}
}
if (isDescending) {
if (power [i] >= HEAVY_THRES) {
triggered [i] = true;
#if !MODE_DEBUG
Keyboard.print (heavyKeys [i]);
#endif
} else if (power [i] >= LIGHT_THRES) {
triggered [i] = true;
#if !MODE_DEBUG
Keyboard.print (lightKeys [i]);
#endif
}
#if MODE_DEBUG
calcLastTime += micros () - lastTime;
#endif
}
#if MODE_DEBUG
#if MODE_DEBUGjj
Serial.print (power [i]);
Serial.print ("\t");
#endif
@ -125,19 +99,19 @@ void loop() {
}
#if MODE_DEBUG
// Damn Arduino plotter, the Y axis scale changes much
// too frequently! Use these 5000 and 0 values to "lock"
// the plotter.
Serial.print (5000);
// Damn Arduino plotter, the Y axis scale changes too frequently! Use these values to "lock" the plotter's scale.
Serial.print (50000);
Serial.print ("\t");
Serial.print (0);
Serial.print ("\t");
#if MODE_DEBUG_SHOW_TIME
Serial.print (sampleLastTime);
Serial.print ('\t');
Serial.print (calcLastTime);
#endif
Serial.println ("");
#endif
// Force the sample frequency to be less than 1000Hz
unsigned int frameTime = micros () - lastTime;
lastTime = micros ();
if (frameTime < 1000) {
delayMicroseconds (1000 - frameTime);
}
}